lib/quota/quotaio_v2.h

   1 /*
   2  *
   3  *      Header file for disk format of new quotafile format
   4  *
   5  */
   6
   7 #ifndef GUARD_QUOTAIO_V2_H
   8 #define GUARD_QUOTAIO_V2_H
   9
  10 #include <sys/types.h>
  11 #include "quotaio.h"
  12
  13 /* Offset of info header in file */
  14 #define V2_DQINFOOFF            sizeof(struct v2_disk_dqheader)
  15 /* Supported version of quota-tree format */
  16 #define V2_VERSION 1
  17
  18 struct v2_disk_dqheader {
  19         __u32 dqh_magic;        /* Magic number identifying file */
  20         __u32 dqh_version;      /* File version */
  21 } __attribute__ ((packed));
  22
  23 /* Flags for version specific files */
  24 #define V2_DQF_MASK  0x0000     /* Mask for all valid ondisk flags */
  25
  26 /* Header with type and version specific information */
  27 struct v2_disk_dqinfo {
  28         __u32 dqi_bgrace;       /* Time before block soft limit becomes
  29                                  * hard limit */
  30         __u32 dqi_igrace;       /* Time before inode soft limit becomes
  31                                  * hard limit */
  32         __u32 dqi_flags;        /* Flags for quotafile (DQF_*) */
  33         __u32 dqi_blocks;       /* Number of blocks in file */
  34         __u32 dqi_free_blk;     /* Number of first free block in the list */
  35         __u32 dqi_free_entry;   /* Number of block with at least one
  36                                          * free entry */
  37 } __attribute__ ((packed));
  38
  39 struct v2r1_disk_dqblk {
  40         __u32 dqb_id;   /* id this quota applies to */
  41         __u32 dqb_pad;
  42         __u64 dqb_ihardlimit;   /* absolute limit on allocated inodes */
  43         __u64 dqb_isoftlimit;   /* preferred inode limit */
  44         __u64 dqb_curinodes;    /* current # allocated inodes */
  45         __u64 dqb_bhardlimit;   /* absolute limit on disk space
  46                                          * (in QUOTABLOCK_SIZE) */
  47         __u64 dqb_bsoftlimit;   /* preferred limit on disk space
  48                                          * (in QUOTABLOCK_SIZE) */
  49         __u64 dqb_curspace;     /* current space occupied (in bytes) */
  50         __u64 dqb_btime;        /* time limit for excessive disk use */
  51         __u64 dqb_itime;        /* time limit for excessive inode use */
  52 } __attribute__ ((packed));
  53
  54 #endif